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SMPS fan noise

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by shpl

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My cabinets SMPS power supply exhaust fan makes a hell of a lot of noise . What can I do to reduce it ?? . Can I oil it maybe ? . What is the best way of cleaning these fans ? .

4 replies

by thechas

If the fan blades wobble or bind, your best option is to replace the fan.

I clean fans with either a dust grabber cloth, or compressed air.

For most fans, you have to take them apart in order to access the bearings to lube them.
Even if you do, this is only a short term fix.

A good source for a variety of replacement fans is Hosfelt Electronics.
They don't have much of a web site, but their catalog has a lot of good items at reasonable prices.

1 caution, some items are used pulls.

Chas

by shpl

Terrific ..........THANKS........I will have a look at Hosfelt even though my fan aint wobbling or binding as yet . But I could do with a fan change to keep on the safe side .

by rcom

Unless the fan has a connector it will be soldered to the board in the power supply. You can splice the wires. This is a good time to get a more powerful supply they're cheap and you'll have to take out the original to replace the fan. Plus hang on to the old one, that way you'll have a spare in case of emergency.

by shpl

Pretty sound advice . THANKS . Looks like whats best for me is to replace the old power supply .

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